347804940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{281}}^1\times {\mathrm{421}}^1$

素因数の和:728

約数の個数: 144

約数和(自身を含む): 1139582304

約数和(自身を除く): 791777364

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 281, 294, 420, 421, 490, 562, 588, 735, 842, 843, 980, 1124, 1263, 1405, 1470, 1684, 1686, 1967, 2105, 2526, 2810, 2940, 2947, 3372, 3934, 4210, 4215, 5052, 5620, 5894, 5901, 6315, 7868, 8420, 8430, 8841, 9835, 11788, 11802, 12630, 13769, 14735, 16860, 17682, 19670, 20629, 23604, 25260, 27538, 29470, 29505, 35364, 39340, 41258, 41307, 44205, 55076, 58940, 59010, 61887, 68845, 82516, 82614, 88410, 103145, 118020, 118301, 123774, 137690, 165228, 176820, 206290, 206535, 236602, 247548, 275380, 309435, 354903, 412580, 413070, 473204, 591505, 618870, 709806, 826140, 828107, 1183010, 1237740, 1419612, 1656214, 1774515, 2366020, 2484321, 3312428, 3549030, 4140535, 4968642, 5796749, 7098060, 8281070, 9937284, 11593498, 12421605, 16562140, 17390247, 23186996, 24843210, 28983745, 34780494, 49686420, 57967490, 69560988, 86951235, 115934980, 173902470, 347804940]

約数ペア:

[(1, 347804940), (2, 173902470), (3, 115934980), (4, 86951235), (5, 69560988), (6, 57967490), (7, 49686420), (10, 34780494), (12, 28983745), (14, 24843210), (15, 23186996), (20, 17390247), (21, 16562140), (28, 12421605), (30, 11593498), (35, 9937284), (42, 8281070), (49, 7098060), (60, 5796749), (70, 4968642), (84, 4140535), (98, 3549030), (105, 3312428), (140, 2484321), (147, 2366020), (196, 1774515), (210, 1656214), (245, 1419612), (281, 1237740), (294, 1183010), (420, 828107), (421, 826140), (490, 709806), (562, 618870), (588, 591505), (735, 473204), (842, 413070), (843, 412580), (980, 354903), (1124, 309435), (1263, 275380), (1405, 247548), (1470, 236602), (1684, 206535), (1686, 206290), (1967, 176820), (2105, 165228), (2526, 137690), (2810, 123774), (2940, 118301), (2947, 118020), (3372, 103145), (3934, 88410), (4210, 82614), (4215, 82516), (5052, 68845), (5620, 61887), (5894, 59010), (5901, 58940), (6315, 55076), (7868, 44205), (8420, 41307), (8430, 41258), (8841, 39340), (9835, 35364), (11788, 29505), (11802, 29470), (12630, 27538), (13769, 25260), (14735, 23604), (16860, 20629), (17682, 19670)]